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1.发明授权公开(公告)号：US12113239B2
公开(公告)日：2024-10-08
申请号：US18331554
申请日：2023-06-08
发明人： Heung Taek Bae , Chang Hee Lee , Won Sub Kwack , Tae Wook Kwon
IPC分类号： H01M50/446 , H01M10/052 , H01M50/403 , H01M50/449
CPC分类号： H01M50/446 , H01M10/052 , H01M50/403 , H01M50/449
摘要： Provided are a separator, a method of manufacturing the separator, and an electrochemical device including the separator. According to an embodiment of the present disclosure, a separator including a porous substrate and an inorganic particle layer provided on at least one surface of the porous substrate, the inorganic particle layer including inorganic particles, a hydrolytic condensate binder of a polar silane compound, and an aqueous polymer binder, wherein an amount of change in peel strength, ΔP is 1.1 or more may be provided.
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公开(公告)号：US12113238B2
公开(公告)日：2024-10-08
申请号：US17463907
申请日：2021-09-01
发明人： Tae Wook Kwon , Heung Taek Bae , Dong Yeon Lee , Yun Bong Kim
IPC分类号： H01M50/446 , H01M10/052 , H01M50/403 , H01M50/42 , H01M50/449 , H01M50/489
CPC分类号： H01M50/446 , H01M10/052 , H01M50/403 , H01M50/42 , H01M50/449 , H01M50/489
摘要： Provided is a separator for a lithium secondary battery including a porous substrate and a coating layer including a binder and inorganic particles formed on one surface or both surfaces of the porous substrate. The binder is a binder including: (a) a (meth)acrylamide-based monomer polymerization unit, (b) a (meth)acryl-based monomer polymerization unit containing a hydroxyl group, and (c) a polyfunctional (meth)acrylamide-based monomer polymerization unit. The separator according to the present invention provides a separator for a lithium secondary battery having improved adhesive strength between the inorganic particles and the separator, showing a decreased interfacial resistance characteristic, and showing an improved air permeability.
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3.发明授权公开(公告)号：US12021257B2
公开(公告)日：2024-06-25
申请号：US18331692
申请日：2023-06-08
发明人： Tae Wook Kwon , Heung Taek Bae
IPC分类号： H01M50/431 , H01M10/052 , H01M50/403 , H01M50/449
CPC分类号： H01M50/431 , H01M10/052 , H01M50/403 , H01M50/449
摘要： Provided are a separator, a method of manufacturing the separator, and an electrochemical device including the separator. According to an embodiment of the present disclosure, a separator including: a porous substrate and an inorganic particle layer provided on at least one surface of the porous substrate may be provided, wherein a value of the following Formula (1) is 0.135 or more: (1) BDV/t, wherein BDV is a voltage (kV) when a leakage current value is 5 mA, and t is an overall average thickness (μm) of the separator.
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4.发明授权公开(公告)号：US12015170B2
公开(公告)日：2024-06-18
申请号：US18331272
申请日：2023-06-08
发明人： Yun Bong Kim , Kyu Young Cho , Tae Wook Kwon , Heung Taek Bae
IPC分类号： H01M50/431 , H01M10/052 , H01M50/403 , H01M50/449
CPC分类号： H01M50/431 , H01M10/052 , H01M50/403 , H01M50/449
摘要： A separator, a method of manufacturing the separator, and an electrochemical device including the separator. The separator includes: a porous substrate; and an inorganic particle layer formed on at least one surface of the porous substrate, wherein a release rate of the inorganic particle layer is 70% or more when measured by immersing the separator in a water tank at room temperature and then subjecting the separator to sonication under conditions of a frequency of 40 kHz, an output of 1,000 W, and an application time of 60 seconds.
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5.发明授权公开(公告)号：US11811090B1
公开(公告)日：2023-11-07
申请号：US18331449
申请日：2023-06-08
发明人： Won Sub Kwack , Tae Wook Kwon , Heung Taek Bae , Chang Hee Lee
IPC分类号： H01M50/403 , H01M50/446 , H01M50/449 , H01M10/0525
CPC分类号： H01M50/446 , H01M10/0525 , H01M50/403 , H01M50/449
摘要： The present invention relates to a separator, a method of manufacturing the separator, and an electrochemical device including the separator. An embodiment of the present invention may provide a separator including: a porous substrate; an inorganic particle layer provided on at least one surface of the porous substrate; and a heat fusion layer provided on at least one surface of the inorganic particle layer, wherein a surface gloss value at 60° C. of a surface of the heat fusion layer is 10 GU or more.
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公开(公告)号：US20220328931A1
公开(公告)日：2022-10-13
申请号：US17713525
申请日：2022-04-05
发明人： Won Sub Kwack , Sang Ick Lee , Tae Wook Kwon , Yun Bong Kim , Heung Taek Bae , Sang Yoon Ji
IPC分类号： H01M50/446 , H01M10/0525 , H01M50/491
摘要： Provided are a separator for a secondary battery, a method for manufacturing the same, and a lithium secondary battery including the same, and particularly, a separator for a secondary battery which has sufficient thermal resistance and mechanical properties even without using a polymer-based organic binder lacking chemical stability, by adopting a metal alkanoate having a polar group as a binder for binding among particles forming a porous active layer and also between the porous active layer and a porous substrate. A method for manufacturing the same, and a lithium secondary battery including the same are also provided.
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公开(公告)号：US20220059903A1
公开(公告)日：2022-02-24
申请号：US17407382
申请日：2021-08-20
发明人： Sun Young Kim , Tae Wook Kwon , Heung Taek Bae , Dong Gun Lee , Yun Bong Kim , Min Kyung Seon
IPC分类号： H01M50/42 , H01M50/449 , H01M50/491 , H01M10/052 , H01M50/431 , C08F20/56 , C08F20/06
摘要： Provided are a composite separator including a coating layer including inorganic particles and a binder formed on a porous substrate, which has improved coatability and improved thermal shrinkage, and a lithium secondary battery using the same.
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8.发明授权公开(公告)号：US12126046B2
公开(公告)日：2024-10-22
申请号：US18331500
申请日：2023-06-08
发明人： Chang Hee Lee , Won Sub Kwack , Tae Wook Kwon , Heung Taek Bae
IPC分类号： H01M50/446 , H01M10/052 , H01M50/403 , H01M50/417
CPC分类号： H01M50/446 , H01M10/052 , H01M50/403 , H01M50/417
摘要： A separator, a method of manufacturing the separator, and an electrochemical device including the separator with the separator including: a porous substrate; and an inorganic particle layer provided on at least one surface of the porous substrate, wherein the inorganic particle layer includes inorganic particles and a hydrolytic condensate of a silane compound.
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公开(公告)号：US20220077543A1
公开(公告)日：2022-03-10
申请号：US17463907
申请日：2021-09-01
发明人： Tae Wook Kwon , Heung Taek Bae , Dong Yeon Lee , Yun Bong Kim
IPC分类号： H01M50/446 , H01M50/489 , H01M50/403 , H01M50/42 , H01M50/449 , H01M10/052
摘要： Provided is a separator for a lithium secondary battery including a porous substrate and a coating layer including a binder and inorganic particles formed on one surface or both surfaces of the porous substrate. The binder is a binder including: (a) a (meth)acrylamide-based monomer polymerization unit, (b) a (meth)acryl-based monomer polymerization unit containing a hydroxyl group, and (c) a polyfunctional (meth)acrylamide-based monomer polymerization unit. The separator according to the present invention provides a separator for a lithium secondary battery having improved adhesive strength between the inorganic particles and the separator, showing a decreased interfacial resistance characteristic, and showing an improved air permeability.
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公开(公告)号：US09346951B2
公开(公告)日：2016-05-24
申请号：US14599835
申请日：2015-01-19
发明人： Yun Kyun Lee , Yang Eun Lee , Sung Ik Kim , Seung Gweon Hong , Tae Wook Kwon
CPC分类号： C08L69/00 , C08K5/1515 , C08L67/02 , C08L23/00 , C08L23/0869
摘要： Provided is a compounding resin composition containing a compatibilizer, based on polyalkylene carbonate and polyolefin or biodegradable polyester. According to the present invention, a polyalkylene carbonate resin composition capable of improving mechanical properties such as tensile strength, elongation, tearing strength, and the like, or physical properties such as adhesive force, oxygen and moisture barrier properties, heat stability, flexibility, and the like, by preparing and applying the compatibilizer for improving compatibility of the compounding resin, and a multilayer film and a molded product manufactured using the same may be provided.
摘要翻译： 本发明提供一种含有基于聚碳酸亚烷基酯和聚烯烃或生物可降解聚酯的增容剂的配混树脂组合物。 根据本发明，能够改善机械性能如拉伸强度，伸长率，撕裂强度等的聚亚烷基碳酸酯树脂组合物或粘合力，氧气和水分阻隔性等物理性能，热稳定性，柔韧性和 可以提供通过制备和施加相容剂来提高配混树脂的相容性，以及多层膜和使用其制造的模塑产品。
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